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Volume Damper Example In the example above the quantity damper controls the quantity of air that air distribution diffuser CD-six receives, In cases like this it indicates five hundred CFM (cubic feet for each moment)

Dampers are made use of to adjust the volume in ducts. These will probably be used by the air balancing personnel to established the CFM desired with the branch or primary that has a handbook quantity damper.

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They could are available in various shade options, and can have zippered sections. Firms can even have their brand printed on the material or pick from many styles.

Using the saddle tap and also the reducer in the above mentioned scenario would demand and extra Reduce with the duct and two fittings, alternatively a person T-Wye fitting.

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Round fittings will be represented within the drawings either in one or double line structure. In any event the requirements will Allow you understand what sort of fittings are expected.

Round duct is used to connect concerning fittings, add-ons and flex duct. Manufactures commonly stock common lengths, but if you have your very own spiral equipment you'll be able to fabricate any size.

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Flex Duct Bands The most often utilised piece of flex duct is for the final here 6 toes (2m) exactly where a connection is built to your bit of air distribution.

In addition to giving a secure casing for cables, the white PVC conduit also retains them tidy. It is provided in a 3m size that can certainly be cut to measurement, or joined with other conduit using PVC couplers or elbow joints - offered individually.